Open Windows Security > Virus & threat protection > Protection history . Look for recently blocked items related to Black Ops 3 . If you see a file like SLF64.dll or anything in the game directory, select it and choose Restore .
If you play only the single-player campaign, you can uninstall EAC entirely, but the error may persist unless you remove its DLLs manually.
Even in 2025, Black Ops 3 relies on legacy DirectX 11 components. Windows 10/11 does not include all of them by default. Call Of Duty Black Ops 3 Additional Dll Could Not Be Loaded
Black Ops 3 needs specific C++ libraries (2013, 2015, 2017, 2019). A single corrupted file triggers the DLL error.
Look for a recently blocked or quarantined file related to your game folder. Select the file and choose . Open Windows Security > Virus & threat protection
If you have tried solutions and the error persists, the issue may be hardware-specific (faulty RAM or failing hard drive). Run a memory diagnostic and check your disk health with CrystalDiskInfo.
Black Ops 3 uses EAC for multiplayer. A broken EAC installation often produces vague “additional DLL could not be loaded” errors in Zombies or multiplayer modes. If you play only the single-player campaign, you
The error rarely names the specific DLL, but the culprits are almost always related to , Visual C++ Redistributables , Easy Anti-Cheat (EAC) , or GPU drivers .
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